根据短文内容判断对（T）错（F）。

     The best known vegetable in the world is the potato. It grows in many places and does not need

rich soil like many other crops. But until four hundred years ago the potato was not known to the

Europeans. But today it's one of the main foods in Europe. About half of the world's potatoes are

grown in Europe.

     In France the potato was not grown for a long time. Here is a story about Louis. In 1778 he saw

some potato flowers for the first time. He liked them so much that he picked one and put it in his

button hole. He was interested in the flowers not the potatoes themselves.

( )1. Potatoes are grown and eaten in Europe.                  

( )2. The potatoes are grown only in the rich soil.            

( )3. Louis was the first man to eat the potato.              

( )4. At first the Europeans grew potatoes to eat.            

( )5. Louis liked the potato flowers better than the potatoes.

生活在不同环境中的桦尺蛾，保护色是不同的，根据达尔文理论，保护色的形成是            的结果；而现在我们看到的形态各异的金鱼是          的结果。